Barriers were place on Westminster Bridge after a terrorist attack in March last year but more vehicle countermeasures could be addedTIMES PHOTOGRAPHER RICHARD POHLE

Westminster could be pedestrianised in an attempt to prevent future vehicle attacks, Britain’s most senior police officer has suggested.

Cressida Dick, commissioner of the Metropolitan Police, said that she would be discussing ideas to boost security around the parliament buildings with intelligence agencies over the coming weeks.

On Tuesday Salih Khater, 29, allegedly crashed his Ford Fiesta into cyclists and pedestrians outside the Houses of Parliament. It came nearly 18 months after the Islamist Khalid Masood, 52, used a four-wheel-drive vehicle to kill four people on Westminster Bridge before fatally stabbing PC Keith Palmer.

“You will notice that the security around parliament both in terms of armed officers and police officers and physical barriers has been further enhanced over the last several months and there…

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